Home / 54,610.74-75,137.31-42,653.25

Finding the Fourth Proportional to 54,610.74, 75,137.31 and 42,653.25

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Solution

The fourth proportional to 54,610.74, 75,137.31 and 42,653.25 is: 58,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,610.74 : 75,137.31 = 42,653.25 : x
  2. Step 2: Convert to fraction form
    54,610.74/75,137.31 = 42,653.25/x
  3. Step 3: Cross multiply
    54,610.74x = 75,137.31 × 42,653.25
  4. Step 4: Simplify right side
    54,610.74x = 3,204,850,467.76
  5. Step 5: Solve for x
    x = 3,204,850,467.76/54,610.74
  6. Step 6: Final answer
    x = 58,685.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.